EP1764420A3 - Verfahren zur Herstellung von metallischem Eisen und Zufuhrvorrichtung für Rohmaterial - Google Patents

Verfahren zur Herstellung von metallischem Eisen und Zufuhrvorrichtung für Rohmaterial Download PDF

Info

Publication number
EP1764420A3
EP1764420A3 EP06021423A EP06021423A EP1764420A3 EP 1764420 A3 EP1764420 A3 EP 1764420A3 EP 06021423 A EP06021423 A EP 06021423A EP 06021423 A EP06021423 A EP 06021423A EP 1764420 A3 EP1764420 A3 EP 1764420A3
Authority
EP
European Patent Office
Prior art keywords
metallic iron
raw material
feed device
reduction melting
material feed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06021423A
Other languages
English (en)
French (fr)
Other versions
EP1764420A2 (de
EP1764420B1 (de
Inventor
Shuzo c/o Kobe Steel Ltd. Ito
Yasuhiro c/o Kobe Steel Ltd. Tanigaki
Shoichi c/o Kobe Steel Ltd. Kikuchi
Osamu c/o Kobe Steel Ltd. Tsuge
Isao c/o Kobe Steel Ltd. Kobayashi
Keisuke c/o Kobe Steel Ltd. Honda
Koji c/o Kobe Steel Ltd. Tokuda
Hidekazu c/o Kobe Steel Ltd. Okamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobe Steel Ltd
Original Assignee
Kobe Steel Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2000094764A external-priority patent/JP4540172B2/ja
Priority claimed from JP2000098825A external-priority patent/JP4214658B2/ja
Priority claimed from JP2000116383A external-priority patent/JP4307686B2/ja
Application filed by Kobe Steel Ltd filed Critical Kobe Steel Ltd
Priority to EP10004974A priority Critical patent/EP2221388A1/de
Publication of EP1764420A2 publication Critical patent/EP1764420A2/de
Publication of EP1764420A3 publication Critical patent/EP1764420A3/de
Application granted granted Critical
Publication of EP1764420B1 publication Critical patent/EP1764420B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture Of Iron (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Carbon And Carbon Compounds (AREA)
EP06021423A 2000-03-30 2001-03-28 Verfahren zur Herstellung von metallischem Eisen in einem Schmelzreduktionsofen mit bewegender Sohle Expired - Lifetime EP1764420B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10004974A EP2221388A1 (de) 2000-03-30 2001-03-28 Verfahren zur Herstellung von metallischem Eisen und Rohstoffzufuhrvorrichtung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000094764A JP4540172B2 (ja) 2000-03-30 2000-03-30 粒状金属鉄の製法
JP2000098825A JP4214658B2 (ja) 2000-03-31 2000-03-31 金属鉄の製法
JP2000116383A JP4307686B2 (ja) 2000-04-18 2000-04-18 原料供給装置および還元鉄製造方法
EP01919403A EP1187941B1 (de) 2000-03-30 2001-03-28 Verfahren zur herstellung von metallischen eisen

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP01919403A Division EP1187941B1 (de) 2000-03-30 2001-03-28 Verfahren zur herstellung von metallischen eisen
EP01919403.4 Division 2001-03-28

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP10004974.1 Division-Into 2010-05-11

Publications (3)

Publication Number Publication Date
EP1764420A2 EP1764420A2 (de) 2007-03-21
EP1764420A3 true EP1764420A3 (de) 2007-04-18
EP1764420B1 EP1764420B1 (de) 2011-02-16

Family

ID=27342889

Family Applications (3)

Application Number Title Priority Date Filing Date
EP06021423A Expired - Lifetime EP1764420B1 (de) 2000-03-30 2001-03-28 Verfahren zur Herstellung von metallischem Eisen in einem Schmelzreduktionsofen mit bewegender Sohle
EP10004974A Withdrawn EP2221388A1 (de) 2000-03-30 2001-03-28 Verfahren zur Herstellung von metallischem Eisen und Rohstoffzufuhrvorrichtung
EP01919403A Expired - Lifetime EP1187941B1 (de) 2000-03-30 2001-03-28 Verfahren zur herstellung von metallischen eisen

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP10004974A Withdrawn EP2221388A1 (de) 2000-03-30 2001-03-28 Verfahren zur Herstellung von metallischem Eisen und Rohstoffzufuhrvorrichtung
EP01919403A Expired - Lifetime EP1187941B1 (de) 2000-03-30 2001-03-28 Verfahren zur herstellung von metallischen eisen

Country Status (17)

Country Link
US (1) US6630010B2 (de)
EP (3) EP1764420B1 (de)
KR (1) KR100457898B1 (de)
CN (1) CN1229505C (de)
AR (1) AR027740A1 (de)
AT (2) ATE350494T1 (de)
AU (2) AU783929B2 (de)
BR (1) BR0105934B8 (de)
CA (1) CA2374700C (de)
DE (2) DE60125669T2 (de)
ES (1) ES2276777T3 (de)
MX (1) MXPA01012291A (de)
PE (1) PE20020070A1 (de)
PL (1) PL201389B1 (de)
RU (1) RU2228365C2 (de)
TW (1) TW562862B (de)
WO (1) WO2001073137A2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6736952B2 (en) * 2001-02-12 2004-05-18 Speedfam-Ipec Corporation Method and apparatus for electrochemical planarization of a workpiece
JP4691827B2 (ja) * 2001-05-15 2011-06-01 株式会社神戸製鋼所 粒状金属鉄
JP4669189B2 (ja) * 2001-06-18 2011-04-13 株式会社神戸製鋼所 粒状金属鉄の製法
JP4266284B2 (ja) * 2001-07-12 2009-05-20 株式会社神戸製鋼所 金属鉄の製法
JP2003034813A (ja) * 2001-07-24 2003-02-07 Kobe Steel Ltd 粒状金属鉄とスラグの分離促進方法
JP4267843B2 (ja) * 2001-08-31 2009-05-27 株式会社神戸製鋼所 金属鉄の製法
JP4256645B2 (ja) * 2001-11-12 2009-04-22 株式会社神戸製鋼所 金属鉄の製法
MY133537A (en) * 2002-01-24 2007-11-30 Kobe Steel Ltd Method for making molten iron
JP4153281B2 (ja) * 2002-10-08 2008-09-24 株式会社神戸製鋼所 酸化チタン含有スラグの製造方法
JP3679084B2 (ja) 2002-10-09 2005-08-03 株式会社神戸製鋼所 溶融金属製造用原料の製造方法および溶融金属の製造方法
EP1553196B1 (de) * 2002-10-18 2008-07-30 Kabushiki Kaisha Kobe Seiko Sho Ferronickel und verfahren zur herstellung von rohmaterial für die ferronickelverhüttung
JP4116874B2 (ja) * 2002-12-05 2008-07-09 株式会社神戸製鋼所 溶鉄の製法
TWI282818B (en) * 2003-01-16 2007-06-21 Kobe Steel Ltd A rotary hearth furnace and iron production method thereby
JP4490640B2 (ja) * 2003-02-26 2010-06-30 株式会社神戸製鋼所 還元金属の製造方法
JP4167101B2 (ja) * 2003-03-20 2008-10-15 株式会社神戸製鋼所 粒状金属鉄の製法
US20050042150A1 (en) * 2003-08-19 2005-02-24 Linnard Griffin Apparatus and method for the production of hydrogen
US20060188436A1 (en) * 2005-02-18 2006-08-24 Linnard Griffin Apparatus and method for the production of hydrogen
US20050109162A1 (en) * 2003-11-24 2005-05-26 Linnard Griffin Apparatus and method for the reduction of metals
US7413592B2 (en) * 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
US8470068B2 (en) * 2004-12-07 2013-06-25 Nu-Iron Technology, Llc Method and system for producing metallic iron nuggets
JP5388450B2 (ja) * 2004-12-07 2014-01-15 ニュー−アイロン テクノロジー リミテッド ライアビリティー カンパニー 金属鉄ナゲットを生成するための方法およびシステム
RU2441922C2 (ru) 2005-08-30 2012-02-10 Е.И.Дюпон Де Немур Энд Компани Процесс восстановления руды и продукт металлизации оксида титана и железа
JP4214157B2 (ja) * 2006-04-25 2009-01-28 株式会社神戸製鋼所 溶鉄製造方法および溶鉄製造装置
US8021460B2 (en) * 2006-07-26 2011-09-20 Nu-Iron Technology, Llc System and method for producing metallic iron nodules
EP2690181A1 (de) * 2006-07-26 2014-01-29 Nu-Iron Technology, Inc Verfahren und System zur Herstellung von Eisenklumpen
JP4976822B2 (ja) * 2006-11-14 2012-07-18 株式会社神戸製鋼所 粒状金属鉄の製造方法およびその装置
RU2449023C2 (ru) * 2007-06-27 2012-04-27 Кабусики Кайся Кобе Сейко Се Способ производства гранулированного металлического железа
WO2009052066A1 (en) 2007-10-15 2009-04-23 E. I. Du Pont De Nemours And Company Ore reduction process using carbon based materials having a low sulfur content and titanium oxide and iron metallization product therefrom
AU2008343167B2 (en) 2007-12-19 2013-07-11 Nu-Iron Technology, Llc System and method for producing metallic iron
AU2010206718B2 (en) 2009-01-22 2015-10-22 Nu-Iron Technology, Llc Production of iron from metallurgical waste
WO2010084822A1 (ja) * 2009-01-23 2010-07-29 株式会社神戸製鋼所 粒状鉄の製造方法
JP2010261101A (ja) * 2009-04-07 2010-11-18 Mitsutaka Hino 金属鉄の製法
RU2542888C2 (ru) * 2009-05-05 2015-02-27 Е.И.Дюпон Де Немур Энд Компани Огнеупорная футеровка для обогащения титановой руды
US20110018179A1 (en) 2009-06-29 2011-01-27 Bairong Li Metal reduction processes, metallurgical processes and products and apparatus
JP2011252226A (ja) * 2010-05-06 2011-12-15 Kobe Steel Ltd 金属鉄の製造方法
JP2012007225A (ja) * 2010-06-28 2012-01-12 Kobe Steel Ltd 粒状金属鉄を用いた溶鋼製造方法
JP5483589B2 (ja) * 2010-09-01 2014-05-07 株式会社神戸製鋼所 還元鉄原料供給システム
TWI424134B (zh) * 2010-09-24 2014-01-21 China Steel Corp Method of controlling the oxygen content of combustion furnace over / under - oxygen combustion state and combustion exhaust gas
US8287621B2 (en) 2010-12-22 2012-10-16 Nu-Iron Technology, Llc Use of bimodal carbon distribution in compacts for producing metallic iron nodules
JP5677884B2 (ja) * 2011-04-11 2015-02-25 新日鉄住金エンジニアリング株式会社 連続加熱処理炉の炉温設定方法及び炉温制御方法
UA109508C2 (uk) * 2011-11-18 2015-08-25 Спосіб виготовлення суміші відновленого заліза і шлаку
RU2497953C2 (ru) * 2011-12-07 2013-11-10 Владимир Евгеньевич Черных Способ получения гранулированного металлического железа
JP2014167164A (ja) * 2013-02-01 2014-09-11 Kobe Steel Ltd 還元鉄の製造方法
JP2014167150A (ja) * 2013-02-28 2014-09-11 Kobe Steel Ltd 還元鉄塊成物の製造方法
CN106987670A (zh) * 2017-05-17 2017-07-28 林芬兰 一种高炉冶炼进料设备
CN107083464A (zh) * 2017-05-17 2017-08-22 林芬兰 一种高炉冶炼进料设备
US11858811B2 (en) * 2019-06-30 2024-01-02 Novaphos Inc. Phosphorus production methods and systems and methods for producing a reduction product
CN110577332A (zh) * 2019-09-26 2019-12-17 欧涛 一种煤矿废水处理系统及工艺
JP7094259B2 (ja) * 2019-11-21 2022-07-01 株式会社神戸製鋼所 溶鋼の製造方法
CN114107779A (zh) * 2020-08-26 2022-03-01 宝山钢铁股份有限公司 一种超薄热轧宽带钢的制造方法

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452972A (en) * 1966-06-23 1969-07-01 Donald Beggs Furnace hearth
DE2509061A1 (de) * 1974-03-15 1975-09-18 Asea Ab Verfahren und durchfuehrungsanordnung zur gewinnung einer kohlenstoffhaltigen metallschmelze aus metalloxydhaltigem material
DE19543074A1 (de) * 1995-11-13 1997-05-15 Mannesmann Ag Direktreduktionsverfahren und Einrichtung
WO1998046953A1 (de) * 1997-04-11 1998-10-22 Paul Wurth S.A. Vorrichtung zum chargieren eines drehherdofens
EP0924304A1 (de) * 1997-12-18 1999-06-23 Kabushiki Kaisha Kobe Seiko Sho Verfahren zur Herstellung reduzierter Eisenpellets
EP0947586A1 (de) * 1994-12-16 1999-10-06 Midrex Direct Reduction Corporation Verfahren und Vorrichtung zur schnellen Reduktion von Eisenerzen in einem Drehherdofen
US5972066A (en) * 1997-04-22 1999-10-26 Iron Dynamics, Inc. Mixed bed iron reduction process
EP0969105A1 (de) * 1997-09-30 2000-01-05 Kawasaki Steel Corporation Drehherdofen zum reduzieren von oxiden und verfahren zu dessen bedienung
US6036744A (en) * 1996-03-15 2000-03-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
WO2000029628A1 (en) * 1998-11-12 2000-05-25 Midrex International B.V. Zürich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
EP1026265A1 (de) * 1999-02-03 2000-08-09 Kawasaki Steel Corporation Verfahren zum Herstellen von reduziertem Eisen und Drehherdofen zu seiner Herstellung

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1885381A (en) 1930-06-30 1932-11-01 Kenneth M Simpson Process for the production of iron
NO118749B (de) * 1961-02-24 1970-02-09 Elektrokemisk As
US3443931A (en) 1965-09-10 1969-05-13 Midland Ross Corp Process for making metallized pellets from iron oxide containing material
BE1008397A6 (fr) 1994-07-13 1996-05-07 Centre Rech Metallurgique Procede pour fabriquer une eponge de fer a basse teneur en soufre.
US5885521A (en) 1994-12-16 1999-03-23 Midrex International B.V. Rotterdam, Zurich Branch Apparatus for rapid reduction of iron oxide in a rotary hearth furnace
JP3845893B2 (ja) 1996-03-15 2006-11-15 株式会社神戸製鋼所 金属鉄の製法
JP3296974B2 (ja) 1996-08-15 2002-07-02 株式会社神戸製鋼所 直接還元法及び回転床炉
JPH10195513A (ja) 1996-12-27 1998-07-28 Kobe Steel Ltd 金属鉄の製法
WO1998059079A1 (en) * 1997-06-20 1998-12-30 Iron Dynamics, Inc. Low sulfur iron reduction process using a rotary hearth furnace
US6149709A (en) 1997-09-01 2000-11-21 Kabushiki Kaisha Kobe Seiko Sho Method of making iron and steel
JP3845978B2 (ja) 1997-09-30 2006-11-15 Ｊｆｅスチール株式会社 回転炉床炉の操業方法および回転炉床炉
JP4159634B2 (ja) 1997-10-23 2008-10-01 株式会社神戸製鋼所 金属鉄の製法および装置
JP3081581B2 (ja) * 1998-03-23 2000-08-28 株式会社神戸製鋼所 高金属化率還元鉄塊成物の製造方法
EP0952230A1 (de) 1998-03-24 1999-10-27 KABUSHIKI KAISHA KOBE SEIKO SHO also known as Kobe Steel Ltd. Verfahren zur Herstellung von reduzierten Eisenagglomeraten
JP4069493B2 (ja) 1998-05-27 2008-04-02 Ｊｆｅスチール株式会社 還元鉄の製造方法
JP3817969B2 (ja) 1998-05-27 2006-09-06 Ｊｆｅスチール株式会社 還元金属の製造方法
TW502066B (en) 1998-08-27 2002-09-11 Kobe Steel Ltd Method for operating moving hearth reducing furnace
AR021028A1 (es) * 1998-10-30 2002-06-12 Midrex Direct Reduction Corp Metodo para producir un producto de hierro liquido y producto de hierro obtenido por el metodo
JP3009661B1 (ja) 1999-01-20 2000-02-14 株式会社神戸製鋼所 還元鉄ペレットの製造方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452972A (en) * 1966-06-23 1969-07-01 Donald Beggs Furnace hearth
DE2509061A1 (de) * 1974-03-15 1975-09-18 Asea Ab Verfahren und durchfuehrungsanordnung zur gewinnung einer kohlenstoffhaltigen metallschmelze aus metalloxydhaltigem material
EP0947586A1 (de) * 1994-12-16 1999-10-06 Midrex Direct Reduction Corporation Verfahren und Vorrichtung zur schnellen Reduktion von Eisenerzen in einem Drehherdofen
DE19543074A1 (de) * 1995-11-13 1997-05-15 Mannesmann Ag Direktreduktionsverfahren und Einrichtung
US6036744A (en) * 1996-03-15 2000-03-14 Kabushiki Kaisha Kobe Seiko Sho Method and apparatus for making metallic iron
WO1998046953A1 (de) * 1997-04-11 1998-10-22 Paul Wurth S.A. Vorrichtung zum chargieren eines drehherdofens
US5972066A (en) * 1997-04-22 1999-10-26 Iron Dynamics, Inc. Mixed bed iron reduction process
EP0969105A1 (de) * 1997-09-30 2000-01-05 Kawasaki Steel Corporation Drehherdofen zum reduzieren von oxiden und verfahren zu dessen bedienung
EP0924304A1 (de) * 1997-12-18 1999-06-23 Kabushiki Kaisha Kobe Seiko Sho Verfahren zur Herstellung reduzierter Eisenpellets
WO2000029628A1 (en) * 1998-11-12 2000-05-25 Midrex International B.V. Zürich Branch Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
EP1026265A1 (de) * 1999-02-03 2000-08-09 Kawasaki Steel Corporation Verfahren zum Herstellen von reduziertem Eisen und Drehherdofen zu seiner Herstellung

Also Published As

Publication number Publication date
BR0105934B8 (pt) 2013-09-17
EP1187941B1 (de) 2007-01-03
DE60125669T2 (de) 2007-11-08
ATE498697T1 (de) 2011-03-15
TW562862B (en) 2003-11-21
DE60125669D1 (de) 2007-02-15
BR0105934A (pt) 2002-03-26
AU4651501A (en) 2001-10-08
PE20020070A1 (es) 2002-02-05
WO2001073137A3 (en) 2002-01-10
PL201389B1 (pl) 2009-04-30
DE60144072D1 (de) 2011-03-31
KR100457898B1 (ko) 2004-11-18
PL353575A1 (en) 2003-12-01
WO2001073137A2 (en) 2001-10-04
ES2276777T3 (es) 2007-07-01
AU2005232318A1 (en) 2005-12-08
EP1764420A2 (de) 2007-03-21
CN1383453A (zh) 2002-12-04
BR0105934B1 (pt) 2013-08-27
EP2221388A1 (de) 2010-08-25
CA2374700A1 (en) 2001-10-04
AU783929B2 (en) 2005-12-22
US20010027701A1 (en) 2001-10-11
AU2005232318B2 (en) 2008-10-02
EP1764420B1 (de) 2011-02-16
CN1229505C (zh) 2005-11-30
MXPA01012291A (es) 2002-07-30
RU2228365C2 (ru) 2004-05-10
AR027740A1 (es) 2003-04-09
CA2374700C (en) 2006-10-03
US6630010B2 (en) 2003-10-07
EP1187941A1 (de) 2002-03-20
KR20020022132A (ko) 2002-03-25
ATE350494T1 (de) 2007-01-15

Similar Documents

Publication Publication Date Title
EP1764420A3 (de) Verfahren zur Herstellung von metallischem Eisen und Zufuhrvorrichtung für Rohmaterial
JP4060034B2 (ja) 複式炉における溶融鉄生成方法
CA2372378A1 (en) Method for producing reduced iron
CA2302244A1 (en) Method of making iron and steel
EP1096215A3 (de) Verfahren und Anlage zur Herstellung von Metallen durch Reduktionsprozesse
MY140955A (en) Method for manufacturing titanium oxide-containing slag
NO984161L (no) FremgangsmÕte og innretning for fremstilling av metallisk jern
CA2348940A1 (en) Iron production method of operation in a rotary hearth furnace and improved furnace apparatus
US4110107A (en) Process for reducing molten furnace slags by carbon injection
ATE237699T1 (de) Verfahren zur herstellung reduzierter eisenagglomerate und vorrichtung mit rotierendem herd dazu
WO2001073136A3 (en) Process for manufacturing molten metal iron
EP1114192A4 (de) Verfahren und vorrichtung zur herstellung von metallen und metalllegierungen
RU2004103981A (ru) Способ производства металлического железа
MY150489A (en) Ore reduction process and titanium oxide and iron metallization product
HUT77889A (hu) Eljárás és berendezés vas metallurgiai kezelésére
CA2472427A1 (en) Method for making molten iron
CA2151195A1 (en) Method of Making Pig Iron with Zinc Recovery
CA2292529A1 (en) Refractory wall structure
EP0976840A1 (de) Verfahren zur bedienung eines drehrohroens zum reduzieren von oxiden
CN1562770A (zh) 一种氮化钒的生产方法及设备
PL346049A1 (en) Method for the thermal processing of residues containing heavy metals and iron oxide
AU5533500A (en) Method for producing melt iron
EP0319966A3 (de) Verfahren zur Schmelzreduktion oxydischer Erze
JP4564126B2 (ja) ロータリーキルンを用いた溶鉄製造方法
AU5072600A (en) Method for producing liquid metal from pre-reduced particles and smelting devicecoupled to a heat treatment furnace by particle transfer device

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AC Divisional application: reference to earlier application

Ref document number: 1187941

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17P Request for examination filed

Effective date: 20070920

AKX Designation fees paid

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

17Q First examination report despatched

Effective date: 20071227

RTI1 Title (correction)

Free format text: METHOD OF PRODUCING METALLIC IRON IN A MOVING HEARTH TYPE SMELT REDUCTION FURNACE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AC Divisional application: reference to earlier application

Ref document number: 1187941

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REF Corresponds to:

Ref document number: 60144072

Country of ref document: DE

Date of ref document: 20110331

Kind code of ref document: P

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 60144072

Country of ref document: DE

Effective date: 20110331

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20110216

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110527

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110517

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110616

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

Ref country code: BE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110216

Ref country code: MC

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

26N No opposition filed

Effective date: 20111117

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110328

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110331

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 60144072

Country of ref document: DE

Effective date: 20111117

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110328

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20140311

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20140317

Year of fee payment: 14

Ref country code: FR

Payment date: 20140311

Year of fee payment: 14

Ref country code: TR

Payment date: 20140224

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20140326

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20140417

Year of fee payment: 14

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 60144072

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20150328

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150329

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150328

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20151130

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150328

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20151001

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150331

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20150328